The National government can impose laws regarding the entire nation while provincial laws apply only to the province in which they are chosen within a nation. Of course, provincial government laws cannot be such that they oppose the general national or a federal set of laws.
Energy systems and human stystems
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The correct answer is operant conditioning.
The rat's behavior is learned, making it a <em>conditioned</em> behavior. In operant conditioning, the behavior is learned through the use of reward or punishment. In the case of the rat, its conditioned behavior is to navigate the maze to receive its reward: food.
Often, organisms will carry a dominant and a recessive allele of a gene. These organisms can be referred to as carriers of the recessive allele. For example, if a pea plant has a red flower-color allele and a white flower-color allele, then it is a carrier of the recessive white flower-color allele.